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John Mulligan — 1920 US Census Record
Model Tree available1920 United States Federal Census · Providence, Rhode Island
Our Model Tree links this John Mulligan across the 1920, 1930 and 1940 US Censuses in Providence, Rhode Island (XGBoost, ~Confirmed), with identified parents James & Margaret — first a son (b.~1897), then head of a 6-person household.
Age 23
b. ~1897
Male
Son
Born: Scotland
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Providence, Rhode Island |
| Surname | Mulligan |
| Given Name | John R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1910 |
| Naturalization Status | Alien |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Occupation | Tool Maker |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Tool Maker |
| Township / Ward | City Of Pawtucket |
| Est. Birth Year | ~1897 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Margaret Mulligan | Daughter | — | 20 | ~1900 |
| Margaret Mulligan | Spouse | — | 50 | ~1870 |
| James Mulligan | Son | — | 15 | ~1905 |
| John Mulligan | Son | — | 23 | ~1897 |
| Mary Mulligan | Daughter | — | 21 | ~1899 |
| James Mulligan | Head | — | 49 | ~1871 |
Census Appearances
1920
Providence, Rhode …
Son, age 23
Providence, Rhode Island · implied b. ~1897 — 6 household members
| Surname | Mulligan |
| Given Name | John R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1910 |
| Naturalization Status | Alien |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Tool Maker |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Providence, Rhode …
Head, age 33
Providence, Rhode Island · implied b. ~1897 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Milligan |
| Given Name | John R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | First papers filed |
| Year of Immigration | 1910 |
| Age at First Marriage | 22 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Mechanic |
| Industry | Small tool factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Providence-County, Rhode …
Head, age 43
Providence-County, Rhode Island · implied b. ~1897 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Milligan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Providence |
| 1935 Residence (County) | Providence |
| Naturalization Status | Naturalized |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 1600 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links John Mulligan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Mulligan (~0.92 confidence) and mother Margaret Mulligan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Mulligan
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Margaret Mulligan
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mulligan
Son · 1920 · age 23 · b. ~1897 · Rhode Island
★ You are viewing this record
Sibling
Mary Mulligan
Sibling · 1920 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mulligan
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mulligan
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Providence, Rhode Island
Open full size
1920 US Federal Census — Providence, Rhode Island
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1675unit:0520)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Philomene Fortier | 58 | Wife | — | Canada |
| 52 | William J Fortier | 17 | Son | Beamer | Canada |
| 53 | Grace Fortier | 14 | Daughter | Weaver | Massachusetts |
| 54 | Janette Fortier | 6 | Daughter | — | Rhode Island |
| 55 | Antoinette Fortier | 5 | Daughter | — | Rhode Island |
| 56 | Irene Fortier | 1 | Daughter | — | Rhode Island |
| 57 | Charles W Bradshaw | 47 | Head | Carpenter | Nova Scotia |
| 58 | Isabel M Bradshaw | 35 | Wife | — | Maine |
| 59 | Mary J Bradshaw | 13 | Daughter | — | Maine |
| 60 | Isabel Bradshaw | 11 | Daughter | — | Maine |
| 61 | Jennie M Bradshaw | 10 | Daughter | — | Maine |
| 62 | Charles W Bradshaw | 7 | Son | — | Maine |
| 63 | Mary H Greason | 54 | Head | — | England |
| 64 | Albert Truesdale | 21 | Nephew | Weaver | Massachusetts |
| 65 | Rachel Loughran | 65 | Head | Trained Nurse | Ireland |
| 66 | John Loughran | 27 | Head | Machinist | Ireland |
| 67 | Mary Loughran | 26 | Wife | Weaver | Ireland |
| 68 | Emily Loughran | 0 | Daughter | — | Rhode Island |
| 69 | Wilfred Holdsworth | 51 | Head | Dyer | England |
| 70 | Catherine Holdsworth | 51 | Wife | — | England |
| 71 | George A Holdsworth | 26 | Son | Machinist | England |
| 72 | Emily W Holdsworth | 8 | Grand-dau | — | Maine |
| 73 | Alfred Harrison | 31 | Son-in-law | Foreman | England |
| 74 | Nellie E Harrison | 33 | Daughter | — | England |
| 75 | Gladice F Harrison | 1 | Grand-dau | — | Connecticut |
| 76 | George Holland | 44 | Head | Machinist | England |
| 77 | Louise Holland | 43 | Wife | — | England |
| 78 | Edith Holland | 7 | Daughter | — | Rhode Island |
| 79 | Doris Holland | 3 | Daughter | — | Rhode Island |
| 80 | David Wood | 26 | Head | Laborer | England |
| 81 | Alice J Wood | 21 | Wife | — | Rhode Island |
| 82 | Agnes Kahana | 34 | Head | Weaver | Rhode Island |
| 83 | Edmund A Kahana | 8 | Son | — | Rhode Island |
| 84 | Lawrence Kahana | 5 | Son | — | Rhode Island |
| 85 | Frank Lousie | 74 | Father | Mason | Canada |
| 86 | Louis P Fontaine | 29 | Boarder | Patrol Driver | Rhode Island |
| 87 | Nellie W Fontaine | 23 | Sister | Quilling Room | Rhode Island |
| 88 | Mary Ratcliffe | 56 | Head | — | Ireland |
| 89 | Annie A Ratcliffe | 26 | Daughter | Lacer | Massachusetts |
| 90 | Nellie M Ratcliffe | 25 | Daughter | — | Massachusetts |
| 91 | James R Ratcliffe | 23 | Son | Lacer | Massachusetts |
| 92 | Sarah M Ratcliffe | 20 | Daughter | Bugler | Massachusetts |
| 93 | Grace Ratcliffe | 16 | Daughter | Clerk | Massachusetts |
| 94 | James S Mulligan | 49 | Head | Packer | Scotland |
| 95 | Margaret L Mulligan | 50 | Wife | — | Scotland |
| 96 | John R Mulligan THIS PERSON | 23 | Son | Tool Maker | Scotland |
| 97 | Mary P Mulligan | 21 | Daughter | Weaver | Scotland |
| 98 | Margaret M Mulligan | 20 | Daughter | Spooler | Scotland |
| 99 | James M Mulligan | 15 | Son | Slasher | Scotland |
| 100 | Elizabeth Smith | 60 | Head | Waitress | England |
Pedigree Summary
John + 3 siblings
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)